Ice-caps make up ____ percent of total water on earth.
The correct option is A 2
Oceans make up 97.3 percent of the total water on earth. The ice-caps make up 2 percent of total water. Groundwater accounts for 0.68 percent of total water. Rivers account for 0.0001 percent of the total water. Freshwater lakes make up 0.009 percent of water while inland seas and salt lakers make up an equal percent of the earth's water. The atmosphere holds 0.0019 percent of earth's water.